Eccouncil Exam 212-81 Topic 12 Question 25 Discussion

Actual exam question for Eccouncil's 212-81 exam

Question #: 25
Topic #: 12

Early attempt to make substitution ciphers more robust, masks letter frequencies, plain text letters map to multiple cipher text symbols.

AScytale Cipher

BPlayfair Cipher

CHomophonic Substitution

DADFVGX Cipher

Show Suggested Answer

Suggested Answer: D

Integrity

https://en.wikipedia.org/wiki/Cryptographic_hash_function#Verifying_the_integrity_of_messages_and_files

An important application of secure hashes is verification of message integrity. Comparing message digests (hash digests over the message) calculated before, and after, transmission can determine whether any changes have been made to the message or file.

by Gearldine at Jan 23, 2024, 06:29 AM

Limited Time Offer

25%

Off

Get Premium 212-81 Questions as Interactive Web-Based Practice Test or PDF

Contribute your Thoughts:

Submit Cancel

Gilbert

22 hours ago

I think the answer is B) Playfair Cipher.

upvoted 0 times

...